package com.alan.edu.mybatis.sqlsession;

import com.alan.edu.mybatis.config.XMLConfigBuilder;
import com.alan.edu.mybatis.pojo.Configuration;
import org.dom4j.DocumentException;

import java.beans.PropertyVetoException;
import java.io.InputStream;

/**
 * sqlSession 工厂构建者
 *
 * @author alan
 * @date 2020-08-31 23:38:55
 */
public class SqlSessionFactoryBuilder {

    public SqlSessionFactory build(InputStream in) throws DocumentException, PropertyVetoException {

        // 第一：使用dom4j解析配置文件，将解析出来的内容封装到Configuration中
        XMLConfigBuilder xmlConfigBuilder = new XMLConfigBuilder();
        Configuration configuration = xmlConfigBuilder.parseConfig(in);

        // 第二：创建sqlSessionFactory对象：工厂类：生产sqlSession:会话对象
        DefaultSqlSessionFactory defaultSqlSessionFactory = new DefaultSqlSessionFactory(configuration);

        return defaultSqlSessionFactory;
    }

}
